Earthquake with magnitude of ML 2.1 on date 20-01-2021 and time 16:20:07 (UTC) in region 2 km SE Motta Camastra (ME)

A magnitude ML 2.1 earthquake occured in region: 2 km SE Motta Camastra (ME), on

  • 20-01-2021 16:20:07 (UTC)
  • 20-01-2021 17:20:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8810, 15.1830 at 21 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Motta Camastra ME 2 845 845
Gaggi ME 4 3184 4029
Graniti ME 4 1492 5521
Francavilla di Sicilia ME 5 3945 9466
Castiglione di Sicilia CT 5 3215 12681
Linguaglossa CT 6 5403 18084
Calatabiano CT 8 5308 23392
Piedimonte Etneo CT 8 3963 27355
Mongiuffi Melia ME 9 600 27955
Castelmola ME 9 1088 29043
Roccafiorita ME 9 197 29240
Taormina ME 9 10960 40200
Giardini-Naxos ME 9 9415 49615
Fiumefreddo di Sicilia CT 10 9623 59238
Gallodoro ME 10 367 59605
Limina ME 10 836 60441
Letojanni ME 11 2861 63302
Fondachelli-Fantina ME 12 1019 64321
Moio Alcantara ME 12 717 65038
Malvagna ME 12 733 65771
Antillo ME 12 919 66690
Mascali CT 14 14282 80972
Forza d'Agrò ME 14 911 81883
Sant'Alessio Siculo ME 15 1554 83437
Casalvecchio Siculo ME 15 842 84279
Sant'Alfio CT 16 1582 85861
Novara di Sicilia ME 16 1337 87198
Savoca ME 16 1732 88930
Roccella Valdemone ME 16 666 89596
Riposto CT 17 14838 104434
Giarre CT 17 27659 132093
Santa Teresa di Riva ME 18 9377 141470
Mandanici ME 18 601 142071
Milo CT 18 1087 143158
Pagliara ME 20 1170 144328
Furci Siculo ME 20 3382 147710
Santa Domenica Vittoria ME 20 980 148690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Acireale (52622 inhabitants)
43 Km N of Catania (314555 inhabitants)
48 Km SW of Reggio di Calabria (183035 inhabitants)
48 Km SW of Messina (238439 inhabitants)
92 Km N of Siracusa (122291 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.1 2021-01-20
16:20:07
37.8813 15.1833 21 2021-07-12
16:55:01
Bollettino Sismico Italiano INGV 87945991
Reviewed
Rev200
ML 1.6 2021-01-20
16:20:07
37.895 15.174 18 2021-03-09
16:42:44
Sala Operativa INGV_OE (Catania) 86404471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-20 16:20:07 ± 0.12
Latitude 37.8813 ± 0.0045
Longitude 15.1833 ± 0.0114
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87945991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 827
Semi-minor axis of confidence ellipse (meter) 717
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.92270
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 86404471
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-20 16:27:09

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 87945991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-30 07:58:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-01-20T16:20:38.02 0.6 undecidable manual S 183 102.4197 96 0.12 44
IV.SSY.HHZ. 2021-01-20T16:20:32.81 0.6 undecidable manual S 187 80.8635 98 0.62 41
IV.HCRL.HHZ. 2021-01-20T16:20:29.19 0.6 undecidable manual S 191 67.6767 100 0.47 44
IV.HLNI.HHZ. 2021-01-20T16:20:27.68 0.3 undecidable manual S 205 65.1903 101 -0.37 67
IV.MSRU.HHE. 2021-01-20T16:20:24.72 0.6 undecidable manual S 34 51.0156 104 0.34 46
IV.HAVL.HHZ. 2021-01-20T16:20:24.81 0.3 undecidable manual P 183 102.4197 96 -0.43 61
IV.MILZ.HHN. 2021-01-20T16:20:22.52 0.6 undecidable manual S 6 43.4232 108 0.09 49
IV.SSY.HHZ. 2021-01-20T16:20:21.78 0.3 undecidable manual P 187 80.8635 98 -0.17 68
IV.MPNC.HHZ. 2021-01-20T16:20:20.07 0.3 undecidable manual S 27 32.9448 114 0.26 73
IV.HAGA.HHZ. 2021-01-20T16:20:19.28 0.3 undecidable manual P 182 66.1893 101 -0.44 66
IV.MUCR.HHZ. 2021-01-20T16:20:19.66 0.6 undecidable manual S 304 32.4453 115 -0.03 51
IV.HCRL.HHZ. 2021-01-20T16:20:19.92 0.3 undecidable manual P 191 67.6767 100 -0.02 72
IV.HLNI.HHZ. 2021-01-20T16:20:19.14 0.3 undecidable manual P 205 65.1903 101 -0.42 66
IV.MSFR.HHZ. 2021-01-20T16:20:18.15 0.3 undecidable manual P 288 54.4011 103 0.2 71
IV.MSRU.HHE. 2021-01-20T16:20:17.26 0.3 undecidable manual P 34 51.0156 104 -0.18 72
IV.NOV.HHZ. 2021-01-20T16:20:16.19 0.3 undecidable manual S 346 16.7721 136 -0.04 79
IV.MILZ.HHN. 2021-01-20T16:20:16.46 0.3 undecidable manual P 6 43.4232 108 0.14 73
IV.ESCV.HHN. 2021-01-20T16:20:15.27 0.6 undecidable manual P 245 35.5422 112 0.1 50
IV.AIO.HHZ. 2021-01-20T16:20:15.03 0.3 undecidable manual S 24 10.878 149 -0.24 76
IV.EPOZ.HHZ. 2021-01-20T16:20:14.31 0.3 undecidable manual P 179 23.2545 125 0.81 63
IV.ECTS.HHE. 2021-01-20T16:20:14.49 0.3 undecidable manual S 271 5.4945 163 -0.19 78
IV.MPNC.HHZ. 2021-01-20T16:20:14.65 0.3 undecidable manual P 27 32.9448 114 -0.15 75
IV.MUCR.HHZ. 2021-01-20T16:20:14.66 0.3 undecidable manual P 304 32.4453 115 -0.07 77
IV.EPZF.HHZ. 2021-01-20T16:20:14.63 0.3 undecidable manual P 258 29.2485 118 0.34 72
IV.EMSG.HHE. 2021-01-20T16:20:13.47 1.0 undecidable manual P 252 21.5673 128 0.18 25
IV.EVRN.HNN. 2021-01-20T16:20:13.73 0.3 undecidable manual P 191 21.7671 127 0.42 72
IV.EPIT.HHE. 2021-01-20T16:20:12.80 0.3 undecidable manual P 235 13.5753 142 0.39 73
IV.ESAL.HHE. 2021-01-20T16:20:12.85 0.3 undecidable manual P 197 14.6742 140 0.34 74
IV.NOV.HHZ. 2021-01-20T16:20:12.44 0.3 undecidable manual P 346 16.7721 136 -0.29 75
IV.EFIU.HHE. 2021-01-20T16:20:11.94 0.3 undecidable manual P 167 10.4784 150 -0.2 76
IV.ECTS.HHE. 2021-01-20T16:20:11.53 0.3 undecidable manual P 271 5.4945 163 -0.31 76
IV.AIO.HHZ. 2021-01-20T16:20:11.86 0.1 undecidable manual P 24 10.878 149 -0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.1 0.000857 0.16 AML other m 2021-01-20T16:20:15.55
IV.AIO.HHN. ML:2.0 0.0007424999999999999 0.14 AML other m 2021-01-20T16:20:15.65
IV.NOV.HHE. ML:2.8 0.0037199999999999998 0.36 AML other m 2021-01-20T16:20:16.49
IV.NOV.HHN. ML:2.5 0.0017 0.22 AML other m 2021-01-20T16:20:16.82
IV.MUCR.HHE. ML:1.9 0.0002925 0.28 AML other m 2021-01-20T16:20:19.93
IV.MUCR.HHN. ML:1.7 0.00020600000000000002 0.32 AML other m 2021-01-20T16:20:20.36
IV.MPNC.HHN. ML:2.2 0.000641 0.54 AML other m 2021-01-20T16:20:20.47
IV.MPNC.HHE. ML:2.1 0.00046199999999999995 0.22 AML other m 2021-01-20T16:20:20.84
IV.HCRL.HHE. ML:2.0 0.00016149999999999997 0.32 AML other m 2021-01-20T16:20:30.36
IV.HCRL.HHN. ML:2.0 0.0001575 0.84 AML other m 2021-01-20T16:20:30.57
IV.SSY.HHE. ML:2.2 0.0002294524 0.1152 AML other m 2021-01-20T16:20:35.33
IV.SSY.HHN. ML:2.7 0.0006385521000000001 0.256 AML other m 2021-01-20T16:20:36.63
IV.HLNI.HHN. ML:1.6 0.00007158777999999999 0.1024 AML other m 2021-01-20T16:20:29.88
IV.HAGA.HHE. ML:1.7 0.00008721875000000002 0.1024 AML other m 2021-01-20T16:20:31.49
IV.HAGA.HHN. ML:1.7 0.00008510090500000001 0.1408 AML other m 2021-01-20T16:20:31.40
IV.HAVL.HHE. ML:2.2 0.000148037985 0.256 AML other m 2021-01-20T16:20:40.35
IV.HAVL.HHN. ML:2.4 0.00022683340000000002 0.1408 AML other m 2021-01-20T16:20:41.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download